Iterator benchmark

[Boudewijn Rempt]

On Thursday 11 June 2009, Sven Langkamp wrote:

>  I have attached a patch to fix that. Can you review it? The problem is
> that the area of the cached tile is assumed as one pixel smaller than it
> actually is which lead to a tile fetch on the last pixel.

I've tested it and as far as I can see it's fine, so please commit.

-- 
Boudewijn Rempt | http://www.valdyas.org